CVE-2026-3829: Data Modification in WP Encryption Plugin
Platform
wordpress
Component
wp-letsencrypt-ssl
Fixed in
7.8.5.11
CVE-2026-3829 affects the WP Encryption – One Click Free SSL Certificate & SSL / HTTPS Redirect, Security & SSL Scan plugin for WordPress. This vulnerability allows authenticated attackers, even those with subscriber-level access, to manipulate SSL configurations and plan selections within the plugin. The vulnerability impacts versions 0.0.0 through 7.8.5.10, and a patch is available in version 7.8.5.11.
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Impact and Attack Scenarios
An attacker exploiting CVE-2026-3829 could significantly compromise the security posture of a WordPress site. By resetting the SSL setup state, they can effectively bypass SSL/HTTPS enforcement, potentially exposing sensitive data transmitted over the site. Furthermore, the ability to modify plan selection options could lead to unauthorized access to premium features or services, or even fraudulent charges. This vulnerability essentially allows an attacker to impersonate a legitimate user and manipulate the site's security settings, creating a significant risk of data breaches and unauthorized access. The blast radius extends to any data processed or transmitted through the affected WordPress site.
Exploitation Context
CVE-2026-3829 was published on May 14, 2026. Its severity is currently assessed as medium. No public exploits or proof-of-concept code have been identified at the time of writing. The vulnerability is not currently listed on KEV or EPSS, suggesting a low probability of active exploitation. Monitor security advisories and threat intelligence feeds for any updates regarding exploitation attempts.
Threat Intelligence
Exploit Status
CISA SSVC
CVSS Vector
What do these metrics mean?
- Attack Vector
- Network — remotely exploitable over the internet. No physical or local access required. Widest attack surface.
- Attack Complexity
- Low — no special conditions required. Attacker can exploit reliably without depending on rare configurations or timing.
- Privileges Required
- Low — any valid user account is sufficient. Basic authenticated access required.
- User Interaction
- None — attack is automatic and silent. Victim does nothing: no click, no file open.
- Scope
- Unchanged — impact is limited to the vulnerable component itself.
- Confidentiality
- None — no confidentiality impact. Attacker cannot read protected data.
- Integrity
- Low — attacker can modify some data with limited scope or impact.
- Availability
- Low — partial or intermittent denial of service. Attacker can degrade performance.
Affected Software
Weakness Classification (CWE)
Timeline
- Reserved
- Published
Mitigation and Workarounds
The primary mitigation for CVE-2026-3829 is to immediately upgrade the WP Encryption plugin to version 7.8.5.11 or later. If upgrading is not immediately feasible due to compatibility issues or breaking changes, consider temporarily disabling the plugin to prevent further exploitation. While a direct workaround isn't available, restricting user roles and permissions to limit access to the plugin's configuration settings can reduce the attack surface. Regularly review user roles and ensure that only authorized personnel have access to sensitive plugin settings. After upgrading, verify the SSL configuration and plan selections to ensure they are accurate and haven't been tampered with.
How to fix
Update to version 7.8.5.11, or a newer patched version
Frequently asked questions
What is CVE-2026-3829 — Data Modification in WP Encryption Plugin?
CVE-2026-3829 is a medium severity vulnerability in the WP Encryption WordPress plugin allowing authenticated subscribers to manipulate SSL configurations and plan selections, potentially bypassing SSL enforcement and compromising data integrity.
Am I affected by CVE-2026-3829 in WP Encryption Plugin?
You are affected if you are using the WP Encryption plugin in WordPress versions 0.0.0 through 7.8.5.10. Check your plugin version immediately and upgrade if necessary.
How do I fix CVE-2026-3829 in WP Encryption Plugin?
Upgrade the WP Encryption plugin to version 7.8.5.11 or later to remediate the vulnerability. If upgrading is not possible, temporarily disable the plugin.
Is CVE-2026-3829 being actively exploited?
Currently, there are no reports of active exploitation or publicly available proof-of-concept code for CVE-2026-3829, but continuous monitoring is recommended.
Where can I find the official WP Encryption advisory for CVE-2026-3829?
Refer to the official WP Encryption plugin website and WordPress security announcements for the latest advisory and updates regarding CVE-2026-3829.
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